Electronic calculator



FIG. 1 is a plan view of an electronic calculator showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side elevational view thereof, the left side view being identical;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for an electronic calculator, as shown and described. 